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Available colors | ||||
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Editiorial reviews | ||||
User rating |
Display | yes | N/A | yes | yes |
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Display type | OLED | PMOLED | OLED | LED |
Screen resolution | N/A | N/A | 128 x 16 | N/A |
Weight | 0.81 oz | 0.3 oz | 0.67 oz | 0.28 oz |
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Water resistant | yes | N/A | yes | yes |
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Fully Waterproof | no | N/A | yes | yes |
IP code (level of dust/water resistance) | IP67 | N/A | N/A | N/A |
Accelerometer | yes | yes | yes | yes |
Heart rate monitor | yes | yes | N/A | N/A |
Caller ID | yes | N/A | N/A | N/A |
Calorie counter | yes | yes | yes | yes |
Distance meter | yes | yes | yes | yes |
Pedometer | yes | yes | yes | yes |
Sleep reading | yes | yes | yes | yes |
Touchscreen | yes | yes | yes | yes |
Vibration alarm | yes | N/A | yes | yes |
Watch | yes | N/A | yes | yes |
Altimeter | N/A | yes | yes | N/A |
Stopwatch | N/A | yes | N/A | N/A |
Support for HRM chest strap | N/A | N/A | yes | N/A |
Bluetooth | yes | yes | yes | yes |
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Bluetooth version | 4.0 | 4.2 | 4.0 | N/A |
GPS | no | yes | no | no |
NFC | no | N/A | no | no |
Battery life | 7.0 day | 10.0 day | 7.0 day | 120.0 day |
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Battery type | Lithium Polymer | Lithium Polymer | Lithium | N/A |
Charging via USB | yes | N/A | yes | no |